block: move REQ_TYPE_ATA_TASKFILE and REQ_TYPE_ATA_PC to ide.h
authorChristoph Hellwig <hch@lst.de>
Fri, 17 Apr 2015 20:37:17 +0000 (22:37 +0200)
committerJens Axboe <axboe@fb.com>
Tue, 5 May 2015 19:40:05 +0000 (13:40 -0600)
These values are only used by the IDE driver, so move them into it
by allowing drivers to take cmd_type values after the first private
one.  Note that we have to turn cmd_type into a plain unsigned integer
so that gcc doesn't complain about mismatching enum types.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
include/linux/blkdev.h
include/linux/ide.h

index 98c90272443bf9512889b3195b13c39956c8ad1e..9cb4d80a4987c25603303505c37e0049e2da5f4d 100644 (file)
@@ -79,14 +79,7 @@ enum rq_cmd_type_bits {
        REQ_TYPE_PM_SUSPEND,            /* suspend request */
        REQ_TYPE_PM_RESUME,             /* resume request */
        REQ_TYPE_PM_SHUTDOWN,           /* shutdown request */
-       REQ_TYPE_DRV_PRIV,              /* driver defined type */
-       /*
-        * for ATA/ATAPI devices. this really doesn't belong here, ide should
-        * use REQ_TYPE_DRV_PRIV and use rq->cmd[0] with the range of driver
-        * private REQ_LB opcodes to differentiate what type of request this is
-        */
-       REQ_TYPE_ATA_TASKFILE,
-       REQ_TYPE_ATA_PC,
+       REQ_TYPE_DRV_PRIV,              /* driver defined types from here */
 };
 
 #define BLK_MAX_CDB    16
@@ -108,7 +101,7 @@ struct request {
        struct blk_mq_ctx *mq_ctx;
 
        u64 cmd_flags;
-       enum rq_cmd_type_bits cmd_type;
+       unsigned cmd_type;
        unsigned long atomic_flags;
 
        int cpu;
index 93b5ca754b5b4c4931aa2b3f66cf246312cedbd8..62ac399144a6bce86b1981340d49ae7606c2b4f5 100644 (file)
 
 struct device;
 
+/* IDE-specific values for req->cmd_type */
+enum ata_cmd_type_bits {
+       REQ_TYPE_ATA_TASKFILE = REQ_TYPE_DRV_PRIV + 1,
+       REQ_TYPE_ATA_PC,
+};
+
 /* Error codes returned in rq->errors to the higher part of the driver. */
 enum {
        IDE_DRV_ERROR_GENERAL   = 101,
@@ -1551,4 +1557,5 @@ static inline void ide_set_drivedata(ide_drive_t *drive, void *data)
 #define ide_host_for_each_port(i, port, host) \
        for ((i) = 0; ((port) = (host)->ports[i]) || (i) < MAX_HOST_PORTS; (i)++)
 
+
 #endif /* _IDE_H */